Update license, add changelog, backup readme.

Signed-off-by: Colin Xu <colin.xu@gmail.com>

CHANGELOG.md

@@ -0,0 +1,22 @@
+# Changelog
+
+All notable changes to the pykd maintenance fork will be documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/)
+
+## [Unreleased]
+### Added
+### Changed
+### Deprecated
+### Removed
+### Fixed
+### Security
+
+## [0.3.4.15_2] - 2023-02-27
+### Added
+- Support Python 3.11
+### Changed
+- Include nuget CLI v6.4.0 to repo.
+- Update per-configuration python in pre-build.
+
+## [0.3.4.15_1] - 2023-02-22
+### Added
+- Support Python 3.10.

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2017 pykd
+Copyright (c) 2025 pykd
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal